#678DCB#678DCB

#678DCB is a light, moderate blue. Relative luminance 0.262; OKLCH L 64.1% C 0.103 H 259.9°. Best body text is #000000 at 6.25:1 contrast (WCAG AA passes).

Color values

HEX	#678DCB
RGB	rgb(103, 141, 203)
HSL	hsl(217, 49%, 60%)
HSV	hsv(217, 49%, 80%)
CMYK	cmyk(49.3%, 30.5%, 0%, 20.4%)
CIE-LAB	lab(58.27, 4.02, -36.09)
CIE-LCH	lch(58.27, 36.32, 276.35°)
OKLab	oklab(64.13% -0.0181 -0.1013)
OKLCH	oklch(64.13% 0.103 259.9)
XYZ	xyz(25.8943, 26.2433, 60.1893)
Luminance	0.2625 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#678DCB #CBA567

analogous

#67BFCB #678DCB #7367CB

triadic

#678DCB #CB678D #8DCB67

tetradic

#678DCB #CB67BF #CBA567 #67CB73

square

#678DCB #CB67BF #CBA567 #67CB73

split-complementary

#678DCB #CB7367 #BFCB67

monochromatic

#2F5189 #3E6CB6 #678DCB #95AFDB #C2D1EA

Accessibility & contrast

On white

3.36

#678DCB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.25

#678DCB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #678DCB

6.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##678DCB	#FFFFFF	#000000	##000000
##678DCB	1.00	3.36	6.25	6.25
#FFFFFF	3.36	1.00	21.00	21.00
#000000	6.25	21.00	1.00	1.00
##000000	6.25	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7591CE

Deuteranopia (green-blind)

#6A88CA

Tritanopia (blue-blind)

#3B9AA3

Achromatopsia (no color)

#8C8C8C

Design tokens & code

CSS

--color: #678dcb;
/* rgb */ color: rgb(103, 141, 203);
/* oklch */ color: oklch(64.1% 0.103 259.9);

Tailwind

colors: {
  custom: {
    50: '#98aedb',
    500: '#678dcb',
    950: '#000000',
  },
}

SCSS

$custom: #678dcb;
$custom-light: #98aedb;
$custom-dark: #000000;

JSON

{
  "hex": "#678dcb",
  "rgb": {
    "r": 103,
    "g": 141,
    "b": 203
  },
  "hsl": {
    "h": 217.2,
    "s": 49.02,
    "l": 60
  },
  "oklch": {
    "l": 0.64127,
    "c": 0.10292,
    "h": 259.9
  },
  "luminance": 0.26245
}

Semantic roles & 50–950 ramp

primary

#678DCB

secondary

#DACCB4

accent

#A44FD9

background

#F9FAFD

surface

#F2F4FB

border

#CCCED4

text

#0E1015

muted

#7E7F83

Preview Lab

Preview with #678DCB

Body copy rendered with the generated semantic roles for this colour.

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